Portable computer



FIG. 1 is a perspective view of a portable computer showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a perspective view thereof with the monitor in the opened state and the keys of the keyboard being partially shown for ease of illustration and they are understood to continue uniformly across the indicated surface. 

The ornamental design for a portable computer, as shown and described. 